This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A152688 #4 Mar 31 2012 12:38:17
%S A152688 1,1,2,48,414720,309586821120000,62298599877271470735360000000000,
%T A152688 221419738218975714643056286355472083897548800000000000000000000,
%U A152688 30963454718960054822969246779894642673092903344400531870724683866888280945459200000000000000000000000000000000000
%N A152688 Partial products of A152687.
%t A152688 lst={};p0=p1=p2=p3=1;Do[p0*=a[n];p1*=p0;p2*=p1;p3*=p2;AppendTo[lst,p3],{n,1,2*3!}];lst
%Y A152688 Cf. A001924,A003266,A152686,A152687
%K A152688 nonn
%O A152688 1,3
%A A152688 _Vladimir Joseph Stephan Orlovsky_, Dec 10 2008
%E A152688 Better definition from _Omar E. Pol_, Aug 06 2009